Exemplos de OMAPLFBCheckModeAndSync em C++ (Cpp)

Exemplo n.º 1

Arquivo: omaplfb_displayclass.c Projeto: andreimironenko/graphics-sdk

static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice,
	IMG_HANDLE hSwapChain)
{
	OMAPLFB_DEVINFO	*psDevInfo;
	OMAPLFB_SWAPCHAIN *psSwapChain;
	OMAPLFB_ERROR eError;

	
	if(!hDevice || !hSwapChain)
	{
		return PVRSRV_ERROR_INVALID_PARAMS;
	}
	
	psDevInfo = (OMAPLFB_DEVINFO*)hDevice;
	psSwapChain = (OMAPLFB_SWAPCHAIN*)hSwapChain;

	OMAPLFBCreateSwapChainLock(psDevInfo);

	if (SwapChainHasChanged(psDevInfo, psSwapChain))
	{
		printk(KERN_WARNING DRIVER_PREFIX
			": %s: Device %u: Swap chain mismatch\n", __FUNCTION__, psDevInfo->uiFBDevID);

		eError = PVRSRV_ERROR_INVALID_PARAMS;
		goto ExitUnLock;
	}

	
	OMAPLFBDestroySwapQueue(psSwapChain);

	eError = OMAPLFBDisableLFBEventNotification(psDevInfo);
	if (eError != OMAPLFB_OK)
	{
		printk(KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't disable framebuffer event notification\n", __FUNCTION__, psDevInfo->uiFBDevID);
	}

	
	OMAPLFBFreeKernelMem(psSwapChain->psBuffer);
	OMAPLFBFreeKernelMem(psSwapChain);

	psDevInfo->psSwapChain = NULL;

	OMAPLFBFlip(psDevInfo, &psDevInfo->sSystemBuffer);
	(void) OMAPLFBCheckModeAndSync(psDevInfo);

	eError = PVRSRV_OK;

ExitUnLock:
	OMAPLFBCreateSwapChainUnLock(psDevInfo);

	return eError;
}

Exemplo n.º 2

Arquivo: omaplfb_linux.c Projeto: martinezjavier/omap3-sgx-ddk-linux

int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Ioctl)(struct drm_device unref__ *dev, void *arg, struct drm_file unref__ *pFile)
{
	uint32_t *puiArgs;
	uint32_t uiCmd;
	unsigned uiPVRDevID;
	int ret = 0;
	OMAPLFB_DEVINFO *psDevInfo;

	if (arg == NULL)
	{
		return -EFAULT;
	}

	puiArgs = (uint32_t *)arg;
	uiCmd = puiArgs[PVR_DRM_DISP_ARG_CMD];
	uiPVRDevID = puiArgs[PVR_DRM_DISP_ARG_DEV];

	psDevInfo = OMAPLFBPVRDevIDToDevInfo(uiPVRDevID);
	if (psDevInfo == NULL)
	{
		return -EINVAL;
	}


	switch (uiCmd)
	{
		case PVR_DRM_DISP_CMD_LEAVE_VT:
		case PVR_DRM_DISP_CMD_ENTER_VT:
		{
			OMAPLFB_BOOL bLeaveVT = (uiCmd == PVR_DRM_DISP_CMD_LEAVE_VT);
			DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: PVR Device %u: %s\n",
				__FUNCTION__, uiPVRDevID,
				bLeaveVT ? "Leave VT" : "Enter VT"));

			OMAPLFBCreateSwapChainLock(psDevInfo);
			
			OMAPLFBAtomicBoolSet(&psDevInfo->sLeaveVT, bLeaveVT);
			if (psDevInfo->psSwapChain != NULL)
			{
				flush_workqueue(psDevInfo->psSwapChain->psWorkQueue);

				if (bLeaveVT)
				{
					OMAPLFBFlip(psDevInfo, &psDevInfo->sSystemBuffer);
					(void) OMAPLFBCheckModeAndSync(psDevInfo);
				}
			}

			OMAPLFBCreateSwapChainUnLock(psDevInfo);
			(void) OMAPLFBUnblankDisplay(psDevInfo);
			break;
		}
		case PVR_DRM_DISP_CMD_ON:
		case PVR_DRM_DISP_CMD_STANDBY:
		case PVR_DRM_DISP_CMD_SUSPEND:
		case PVR_DRM_DISP_CMD_OFF:
		{
			int iFBMode;
#if defined(DEBUG)
			{
				const char *pszMode;
				switch(uiCmd)
				{
					case PVR_DRM_DISP_CMD_ON:
						pszMode = "On";
						break;
					case PVR_DRM_DISP_CMD_STANDBY:
						pszMode = "Standby";
						break;
					case PVR_DRM_DISP_CMD_SUSPEND:
						pszMode = "Suspend";
						break;
					case PVR_DRM_DISP_CMD_OFF:
						pszMode = "Off";
						break;
					default:
						pszMode = "(Unknown Mode)";
						break;
				}
				printk(KERN_WARNING DRIVER_PREFIX ": %s: PVR Device %u: Display %s\n",
				__FUNCTION__, uiPVRDevID, pszMode);
			}
#endif
			switch(uiCmd)
			{
				case PVR_DRM_DISP_CMD_ON:
					iFBMode = FB_BLANK_UNBLANK;
					break;
				case PVR_DRM_DISP_CMD_STANDBY:
					iFBMode = FB_BLANK_HSYNC_SUSPEND;
					break;
				case PVR_DRM_DISP_CMD_SUSPEND:
					iFBMode = FB_BLANK_VSYNC_SUSPEND;
					break;
				case PVR_DRM_DISP_CMD_OFF:
					iFBMode = FB_BLANK_POWERDOWN;
					break;
				default:
					return -EINVAL;
			}

			OMAPLFBCreateSwapChainLock(psDevInfo);

			if (psDevInfo->psSwapChain != NULL)
			{
				flush_workqueue(psDevInfo->psSwapChain->psWorkQueue);
			}

			OMAPLFB_CONSOLE_LOCK();
			ret = fb_blank(psDevInfo->psLINFBInfo, iFBMode);
			OMAPLFB_CONSOLE_UNLOCK();

			OMAPLFBCreateSwapChainUnLock(psDevInfo);

			break;
		}
		default:
		{
			ret = -EINVAL;
			break;
		}
	}

	return ret;
}